Eagles add ZaDarius Smith, acquire Tank Bigsby to bolster depth

The Philadelphia Eagles added veteran edge rusher ZaDarius Smith and acquired running back Tank Bigsby in separate moves in the days after their season-opening win, bolstering a roster that has shown early vulnerabilities while chasing a second straight Super Bowl title. The Smith signing and the Bigsby trade came as the team looked to shore up its pass rush and backfield depth following a 24-20 victory over the Dallas Cowboys.

Smith agreed to a one-year deal with Philadelphia, the team announced, joining a deep group of edge rushers that coach Nick Sirianni said will now face stiffer competition for snaps. "Excited about ZaDarius and what he can add," Sirianni said, adding that from film and recent play he believes Smith brings valuable experience to an already crowded position group. To clear roster space, the Eagles placed fullback Ben VanSumeren on injured reserve after he suffered a knee injury on the opening kickoff.

Reports on the financial terms varied. Initial accounts put the contract at as much as $9 million, but a person familiar with the deal said the agreement instead carries a maximum value of $8.25 million. That breakdown reportedly includes a $4.25 million base,...